Atlantic, Southwest 31 - Marine

Country/territory: Brazil

IBA Criteria met: -
For more information about IBA criteria please click here

Area: 1,784,970 ha

SAVE Brasil

Site description
This Marine IBA is identified using tracking data. It falls within the Brazil Exclusive Economic Zone (EEZ) and the Atlantic, Southwest FAO ocean region. The site covers an area of 17850 km2 and is 112 km away from the closet coastline. The depth ranges from 35 to 3489 m, with a mean annual wind speed of 1.8 m/s, mean annual sea surface temperature falls between 25.7 and 26.22 °C and mean annual chlorophyll-a concentrations found to range between 0.09 and 0.23 mg/m3.

Key biodiversity
1 species triggers IBA criteria at this Marine IBA. BirdLife analyses of tracking data estimates that 900000-5000000 individuals of Great Shearwater (LC) from Tristan da Cunha Islands are present at the site during the Non-breeding (Jan-Mar) life-history stage.

Recommended citation
BirdLife International (2021) Important Bird Areas factsheet: Atlantic, Southwest 31 - Marine. Downloaded from on 06/12/2021.